<!DOCTYPE HTML>
<html>
<body>
  <div style="width:400px; height:300px; overflow:hidden; border:2px solid black">
    <div style="height:200px; width:200px; float:left; background:white"></div>
    <div style="left:200px; top:0; height:300px; width:200px; float:right; background:yellow;"></div>
    <div style="height:100px; width:200px; float:left; background:purple"></div>
  </div>
